Cardiovascular regulation reading 1

Question 1

True or false: Blood flows from areas of lower pressure to areas of higher pressure.

Answer 1

False

Question 2

Which is a typical cardiac output in a resting healthy adult?

Answer 2

5 liters

Question 3

The mean arterial pressure is dependent on two factors: cardiac output and the force against which blood must be pumped or what?

Answer 3

peripheral resistance

Question 4

Cardiac output is the volume of blood ______.

Answer 4

ejected by the ventricles per minute

Question 5

Cardiac Output X Peripheral Resistance = ______

Answer 5

Mean Arterial Pressure

Question 6

Mean arterial pressure is equal to ______.

Answer 6

cardiac output times peripheral resistance

Question 7

Mean arterial pressure is defined as the _____.

Answer 7

average pressure in the aorta

Question 8

Stroke volume is increased when end-systolic volume ______ and end-diastolic volume ______.

Answer 8

decreases, increases

Question 9

Mean arterial pressure changes proportionally with changes in which variables?

Answer 9

Cardiac output

Stroke volume

Peripheral resistance

Question 10

Under resting conditions, the normal stroke volume is approximately ______.

Answer 10

70 ml

Question 11

Identify the cardiac measurements that will increase during exercise.

Answer 11

Cardiac output

Stroke volume

End-diastolic volume

Question 12

The amount of blood reaching the right atrium from systemic circulation is referred to as ______.

Answer 12

venous return

Question 13

Venous return increases the ______.

Answer 13

end-diastolic volume

Question 14

What is the difference between the maximum and resting cardiac output?

Answer 14

Cardiac reserve